APRILIA RS 125, RS 125 - 2002 User manual

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cop+pag2-uk.fm Page 1 Wednesday, November 13, 2002 10:01 AM
2
use and maintenance RS 125
© 2002 aprilia s.p.a. - Noale (VE)
First edition: november 2002
Reprint:
Produced and printed by:
editing division
Soave (VERONA) - Italy
Tel. +39 - 045 76 11 911
Fax +39 - 045 76 12 241
E-mail: customer@stp.it
www.stp.it
On behalf of:
aprilia s.p.a.
via G. Galilei, 1 - 30033 Noale (VE) - Italy
Tel. +39 - 041 58 29 111
Fax +39 - 041 44 10 54
www.aprilia.com
3!&%49 7!2.).'3
The following precautionary warnings are
used throughout this manual in order to
convey the following messages:
Safety warning. When you find
this symbol on the vehicle or in
the manual, be careful to the po-
tential risk of personal injury. Non-com-
pliance with the indications given in the
messages preceded by this symbol may
result in grave risks for your and other
people’s safety and for the vehicle!
Indications to make the opera-
tions easier. Technical informa-
tion.
4%#(.)#!, ).&/2-!4)/.
The operations preceded by this
symbol must be repeated also on
the opposite side of the vehicle.
If not expressly indicated otherwise, for the
reassembly of the units repeat the disas-
sembly operations in reverse order.
The terms “rightand “left” are referred to
the rider seated on the vehicle in the nor-
mal riding position.
7!2.).'3  02%#!54)/.3 
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Before starting the engine, carefully read
this manual and in particular the section
“SAFE DRIVE”.
Your and other people’s safety depends
not only on your quickness of reflexes and
on your agility, but also on what you know
about the vehicle, on its efficiency and on
your knowledge of the basic information for
“SAFE DRIVE”.
Therefore, get a thorough knowledge of the
vehicle, in such a way as to be able to drive
in the traffic safely.
a
c
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use and maintenance RS 125
This manual must be considered
as an integral part of the vehicle
and must always accompany it,
even in case of resale.
aprilia has carried out this manual with the
maximum attention, in order to supply the
user with correct and updated information.
However, since aprilia constantly im-
proves the design of its products, there
may be slight discrepancies between the
characteristics of your vehicle and those
described in this manual.
For any clarification concerning the infor-
mation contained in this manual, do not
hesitate to contact your aprilia Official
Dealer.
For control and repair operations not ex-
pressly described in this publication, for the
purchase of aprilia genuine spare parts,
accessories and other products, as well as
for specific advice, contact exclusively
aprilia Official Dealers and Service Cent-
ers, which guarantee prompt and accurate
assistance.
Thank you for choosing aprilia. We wish
you a nice ride.
All rights as to electronic storage, repro-
duction and total or partial adaptation, with
any means, are reserved for all Countries.
In some countries the antipollution
and noise regulations in force re-
quire periodical inspections.
The user of the vehicle in these countries
must:
contact an aprilia Official Dealer to have
the non-homologated components re-
placed with others homologated for use in
the country in question;
carry out the required periodical inspec-
tions.
Soon after purchasing the vehicle,
write down the identification data
indicated on the SPARE PARTS
IDENTIFICATION LABEL in the table here
below. The label is positioned under the
rider saddle, see p. 56 (REMOVING THE
RIDER SADDLE).
These data indicate:
YEAR = year of manufacture (Y, 1, 2, ...);
I.M. = modification code (A, B, C, ...);
COUNTRY CODES = homologation
country (I, UK, A, ...).
and are to be supplied to the aprilia Offi-
cial Dealer as reference data for the pur-
chase of spare parts or specific accesso-
ries of the model you have acquired.
In this manual the various versions are in-
dicated by the following symbols:
a
a
a
e
automatic light switching version
(Automatic Switch-on Device)
m
optional
_
Free Power version
o
catalytic version
VERSION:
I
Italy
S
Singapore
U
United Kingdom
s
Slovenia
a
Austria
i
Israel
p
Portugal
¬
South Korea
F
Finland
M
Malaysia
B
Belgium
c
Chile
d
Germany
H
Croatia
f
France
A
Australia
E
Spain
u
United States
of America
G
Greece
Ä
Brazil
O
Holland
R
South Africa
Y
Switzerland
n
New Zealand
D
Denmark
C
Canada
J
Japan
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4!",%/&#/.4%.43
SAFE DRIVE ......................................................... 5
BASIC SAFETY RULES ............................... 6
CLOTHING ................................................... 9
ACCESSORIES .......................................... 10
LOAD .......................................................... 10
ARRANGEMENT OF THE
MAIN ELEMENTS ............................................. 12
ARRANGEMENT OF THE
INSTRUMENTS/CONTROLS ........................... 14
INSTRUMENTS AND INDICATORS ................ 15
INSTRUMENTS AND
INDICATORS TABLE ................................. 16
MULTIFUNCTION COMPUTER ................. 17
MAIN INDEPENDENT CONTROLS ................. 20
CONTROLS ON THE LEFT PART
OF THE HANDLEBAR ................................ 20
CONTROLS ON THE RIGHT PART
OF THE HANDLEBAR ................................ 21
IGNITION SWITCH ..................................... 22
STEERING LOCK ....................................... 22
AUXILIARY EQUIPMENT ................................. 23
CRASH HELMET HOOK ............................ 23
GLOVE/TOOL KIT COMPARTMENT ......... 23
REAR MUDGUARD EXTENSION
(in the countries where required) ................ 23
SPECIAL TOOLS
m .......................... 24
MAIN COMPONENTS ....................................... 25
FUEL ........................................................... 25
TRANSMISSION OIL .................................. 25
BRAKE FLUID-recommendations .............. 26
DISC BRAKES ............................................ 26
FRONT BRAKE .......................................... 27
REAR BRAKE ............................................. 28
2 STROKE OIL TANK ................................. 29
ADJUSTING THE SHIFTING LEVER ......... 29
ADJUSTING THE REAR BRAKE ............... 30
ADJUSTING THE CLUTCH ........................ 30
COOLANT .................................................. 32
TYRES ........................................................ 33
AUTOMATIC
LIGHT SWITCHING VERSION
e ........ 34
CATALYTIC SILENCER........................ 34
EXHAUST SILENCER A ................... 34
INSTRUCTIONS FOR USE ............................... 35
PRELIMINARY CHECKING OPERATIONS 35
STARTING .................................................. 36
DEPARTURE AND DRIVE .......................... 38
RUNNING-IN ............................................... 41
STOPPING .................................................. 41
PARKING .................................................... 42
SUGGESTIONS
TO PREVENT THEFT ................................. 42
MAINTENANCE ................................................. 43
REGULAR SERVICE INTERVALS
CHART ........................................................ 44
IDENTIFICATION DATA ............................. 46
POSITIONING THE VEHICLE ON THE
REAR SUPPORT STAND
m .............. 47
POSITIONING THE VEHICLE ON THE
FRONT SUPPORT STAND
m ............ 47
CHECKING THE TRANSMISSION
OIL LEVEL AND TOPPING UP ................... 48
CHANGING THE TRANSMISSION OIL ...... 49
FRONT WHEEL .......................................... 50
REAR WHEEL ............................................. 52
DRIVE CHAIN ............................................. 54
REMOVING THE RIDER SADDLE ............. 56
REMOVING THE SIDE FAIRINGS ............. 56
LIFTING THE FUEL TANK .......................... 57
AIR CLEANER ............................................ 58
INSPECTING THE FRONT
AND REAR SUSPENSIONS ....................... 59
REAR SUSPENSION .................................. 60
CHECKING THE BRAKE PAD WEAR ........ 61
IDLING ADJUSTMENT ............................... 62
ADJUSTING
THE ACCELERATOR CONTROL ............... 62
ADJUSTING
THE COLD START CONTROL (
e) ............ 63
SPARK PLUGS .......................................... 64
BATTERY ................................................... 65
LONG INACTIVITY
OF THE BATTERY ..................................... 65
CHECKING AND CLEANING
THE TERMINALS ....................................... 66
REMOVING THE BATTERY ....................... 66
CHECKING
THE ELECTROLYTE LEVEL ...................... 67
RECHARGING THE BATTERY .................. 67
INSTALLING THE BATTERY ..................... 67
CHANGING THE FUSES ........................... 68
CHECKING THE SIDE STAND
AND THE SAFETY SWITCH ...................... 69
CHECKING THE SWITCHES ..................... 70
ADJUSTING THE VERTICAL
HEADLIGHT BEAM .................................... 71
BULBS ........................................................ 71
CHANGING
THE HEADLIGHT BULBS .......................... 72
CHANGING
THE FRONT AND REAR
DIRECTION INDICATOR BULBS ............... 73
CHANGING
THE REAR LIGHT BULB ............................ 74
TRANSPORT .................................................... 75
DRAINING THE FUEL TANK ..................... 75
CLEANING ........................................................ 76
LONG PERIODS OF INACTIVITY .............. 77
TECHNICAL DATA ........................................... 78
LUBRICANT CHART .................................. 81
Importers ..................................................... 82
Importers ..................................................... 83
WIRING DIAGRAM - RS 125 ...................... 84
WIRING DIAGRAM KEY - RS 125 ............. 85
Intro-uk.fm Page 4 Tuesday, November 12, 2002 2:18 PM
safe drive
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use and maintenance RS 125
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To drive the vehicle it is necessary to be in
possession of all the requirements pre-
scribed by law (driving licence, minimum
age, psychophysical ability, insurance,
state taxes, vehicle registration, number
plate, etc.).
Gradually get to know the vehicle by driv-
ing it first in areas with low traffic and/or pri-
vate areas.
The use of medicins, alcohol and drugs or
psychotropic substances notably increases
the risk of accidents.
Be sure that you are in good psychophysi-
cal conditions and fit for driving and pay
particular attention to physical weariness
and drowsiness.
Most road accidents are caused by the
driver’s lack of experience.
NEVER lend the vehicle to beginners and,
in any case, make sure that the driver has
all the requirements for driving.
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use and maintenance RS 125
Rigorously observe all road signs and na-
tional and local road regulations.
Avoid abrupt movements that can be dan-
gerous for yourself and other people (for
example: rearing up on the back wheel,
speeding, etc.), and give due consideration
to the road surface, visibility and other driv-
ing conditions.
Avoid obstacles that could damage the ve-
hicle or make you lose control.
Avoid riding in the slipstream created by
preceding vehicles in order to increase
your speed.
Always drive with both hands on the han-
dlebars and both feet on the footrests (or
on the rider’s footboards), in the correct
driving posture.
Avoid standing up or stretching your limbs
while driving.
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use and maintenance RS 125
COOLER
OIL
The driver should pay attention and avoid
distractions caused by people, things and
movements (never smoke, eat, drink, read,
etc.) while driving.
Use only the vehicle’s specific fuels and lu-
bricants indicated in the "LUBRICANT
CHART"; check the oil, fuel and coolant
levels regularly.
If the vehicle has been involved in an acci-
dent, make sure that no damage has oc-
curred to the control levers, pipes, wires,
braking system and vital parts.
If necessary, have the vehicle inspected by
an aprilia Official Dealer, who should care-
fully check the frame, handlebars, suspen-
sions, safety parts and all the devices that
you cannot check by yourself.
Always remember to report any malfunc-
tion to the technicians to help them in their
work.
Never use the vehicle when the amount of
damage it has suffered endangers your
safety.
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use and maintenance RS 125
ONLY ORIGINALS
Never change the position, inclination or
colour of: number plate, direction indica-
tors, lights and horns.
Any modification of the vehicle will result
in the invalidity of the guarantee.
Any modification of the vehicle and/or the
removal of original components can com-
promise vehicle performance levels and
safety or even make it illegal.
We recommend respecting all regulations
and national and local provisions regarding
the equipment of the vehicle.
In particular, avoid all modifications that in-
crease the vehicle’s performance levels or
alter its original characteristics.
Never race with other vehicles.
Avoid off-road driving.
#,/4().'
Before starting, always wear a correctly
fastened crash helmet. Make sure that it is
homologated, in good shape, of the right
size and that the visor is clean.
Wear protective clothing, preferably in light
and/or reflecting colours. In this way you
will make yourself more visible to the other
drivers, thus notably reducing the risk of
being knocked down, and you will be more
protected in case of fall.
This clothing should be very tight-fitting
and fastened at the wrists and ankles.
Strings, belts and ties should not be hang-
ing loose; prevent these and other objects
from interfering with driving by getting en-
tangled with moving parts or driving mech-
anisms.
A12
345
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use and maintenance RS 125
Do not keep objects that can be dangerous
in case of fall, for example pointed objects
like keys, pens, glass vials etc. in your
pockets (the same recommendations also
apply to passengers).
!##%33/2)%3
The owner of the vehicle is responsible for
the choice, installation and use of any ac-
cessory.
Avoid installing accessories that cover
horns or lights or that could impair their
functions, limit the suspension stroke and
the steering angle, hamper the operation of
the controls and reduce the distance from
the ground and the angle of inclination in
turns.
Avoid using accessories that hamper ac-
cess to the controls, since this can prolong
reaction times during an emergency.
Large fairings and windscreens assembled
on the vehicle can produce aerodynamic
forces capable of compromising the stabili-
ty of the vehicle while driving.
Make sure that the equipment is well fas-
tened to the vehicle and not dangerous
during driving. Do not install electrical de-
vices and do not modify those already ex-
isting to avoid electrical overloads, be-
cause the vehicle could suddenly stop or
there could be a dangerous current short-
age in the horn and in the lights. aprilia
recommends the use of genuine accesso-
ries (aprilia genuine accessories).
,/!$
Be careful and moderate when loading
your luggage. Keep any luggage loaded as
close as possible to the centre of the vehi-
cle and distribute the load uniformly on
both sides, in order to reduce imbalance to
the minimum. Furthermore, make sure that
the load is firmly secured to the vehicle, es-
pecially during long trips.
11
use and maintenance RS 125
KG!
Avoid hanging bulky, heavy and/or danger-
ous objects on the handlebars, mudguards
and forks, because the vehicle might re-
spond more slowly in turns and its ma-
noeuvrability could be unavoidably im-
paired.
Do not place bags that are too bulky on the
vehicle sides and do not ride with the crash
helmet hanging from its string, because it
could hit people or obstacles making you
lose control of the vehicle.
Do not carry any bag if it is not tightly se-
cured to the vehicle.
Do not carry bags which protrude too much
from the luggage rack or which cover the
lights, horn or indicators.
Do not carry animals or children on the
glove compartment or on the luggage rack.
Do not exceed the maximum load allowed
for each side-bag.
When the vehicle is overloaded, its stability
and its manoeuvrability can be compro-
mised.
12
use and maintenance RS 125
!22!.'%-%.4/&4(%-!).%,%-%.43
+%9
1) Dashboard
2) Left rear-view mirror
3) Ignition switch/steering lock
4) Battery
5) Fuse carrier
6) Fuel tap
7) Saddle lock
8) 2 stroke oil tank
9) 2 stroke oil tank plug
10) Glove/tool kit compartment
11) Passenger left footrest
(snapping, closed/open)
12) Rider left footrest
(with spring, always open)
13) Shifting lever
14) Side stand
15) Left fairing
16) Horn
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+%9
1) Passenger right footrest
(snapping, closed/open)
2) Crash helmet cable
3) Rider saddle
4) Air cleaner
5) Rear brake fluid tank
6) Fuel tank plug
7) Expansion tank
8) Coolant expansion tank plug
9) Right rear-view mirror
10) Front brake fluid tank
11) Rear brake pump
12) Rear brake control lever
13) Rider right footrest
(with spring, always open)
14) Drive chain
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use and maintenance RS 125
!22!.'%-%.4/&4(%).3425-%.43#/.42/,3
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1) Ignition switch/steering lock (
n - m - s )
2) Cold start lever (
e)
3) Direction indicator switch (
c )
4) Horn push button ( f )
5) LAP push button (chronometer)
6) Dimmer switch (
b - a )
7) High beam signalling push button (a )
8) Clutch lever
9) Instruments and indicators
10) Front brake lever
11) Throttle grip
12) Start push button (
r)
13) Light switch (
o - p - • ) (not provided for
_
)
14) Engine stop switch (n - m)
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+%9
1) Multifunction computer programming push buttons
2) Multifunction digital display
(coolant temperature - clock - battery voltage - chronometer)
3) Revolution counter
4) Red 2 stroke oil reserve warning light LED (
j )
5) Green direction indicator warning light (
c )
6) Green neutral indicator warning light (q)
7) Blue high beam warning light (
a )
8) Amber “side stand down” warning light ( \ )
9) Partial kilometres odometer
10) Odometer trip control
11) Total kilometres odometer
12) Speedometer
12) Speedometer - only km/h scale
^
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).3425-%.43!.$).$)#!4/234!",%
Description Function
Direction indicator warning light (
c) Blinks when the direction indicators are on.
High beam warning light (
a) Comes on when the headlight is in "high beam" position or when the high beam signalling is operated.
Revolution counter (rpm)
Indicates the number of revolutions of the engine per minute.
Never exceed the engine max. speed rate, see p. 41 (RUNNING-IN).
Side stand down warning light (
\
) Comes on when the side stand is down.
2 stroke oil reserve
warning light LED (
j)
It comes on when the quantity of 2 stroke oil left in the tank is equal to 0.35
L.
If the warning light LED comes on, this means that the 2 stroke oil reserve is being used;
in this case, provide for topping up, see p. 29 (2 STROKE OIL TANK).
Neutral indicator warning light (
q) Comes on when the gear is in neutral.
Partial kilometres odometer
It indicates the partial number of kilometres covered. To set it to zero, use the odometer trip control.
Odometer trip control
Rotate it anticlockwise to set the partial kilometres odometer to zero.
Total kilometres odometer
It indicates the total number of kilometres covered.
Speedometer
It indicates the driving speed.
Multifunction
digital display
Coolant
temperature
(°C) (
h)
Indicates the temperature of the coolant in the engine, see p. 17 (MULTIFUNCTION
COMPUTER).
If a temperature of 115°C÷130°C is indicated, stop the engine and check the coolant
level, see p. 32 (COOLANT).
If the maximum allowed temperature (130°C) is exceeded, the engine may
be seriously damaged.
If the writing "
///" appears on the display, contact an aprilia Official Dealer, who
will check the coolant thermistor and/or the electrical connection circuit.
To alternate
the data dis-
played, see
p. 17 (MUL-
TIFUNC-
TION COM-
PUTER).
Clock
Indicates the hour and minutes according to the presetting, see p. 17 (MULTIFUNC-
TION COMPUTER).
Battery voltage
(V BAT)
Indicates the battery voltage, see p. 17 (MULTIFUNCTION COMPUTER).
Chronometer
Indicates the various timings according to the presetting, see p. 17 (MULTIFUNC-
TION COMPUTER).
a
a
a
17
use and maintenance RS 125
-5,4)&5.#4)/.#/-054%2
KEY
1) LAP push button
2) MODE push button
(
)
3) LOCK push button
(
)
4) START push button
(
)
5) Upper display
6) Lower display
FUNCTION DESCRIPTION
Turn the ignition switch (7) to position
n”.
By pressing the push button once and
more than once in succession, the fol-
lowing functions are operated, in their re-
spective order:
TH
2
O (coolant temperature)
By pressing the function push button
once, the coolant temperature (8) in cen-
tigrade degrees (°C) is indicated on the
upper part of the display, while the cur-
rent time (9) is displayed on its lower
part.
If the temperature exceeds 100°C, the
upper part of the display blinks, even if
the set function is different from
“TH
2
O”.
If the temperature is lower than 30°C,
the writing
×” appears on the dis-
play.
Reading range: 0 ÷ 130°C.
If the maximum allowed temper-
ature (130°C) is exceeded, the
engine may be seriously dam-
aged.
If the writing "
///" appears on the dis-
play, contact an APRILIA Official Dealer,
who will check the coolant thermistor
and/or the electrical connection circuit.
TH
2
O
Coolant temperature in °C
VBAT
Battery voltage
TIME
Digital clock
LAP TIME
Chronometer
a
18
use and maintenance RS 125
VBAT (battery voltage)
By pressing the push button for the
second time, the battery voltage (10), ex-
pressed in volt, is indicated on the dis-
play.
The recharge system functions properly if
at 4000 rpm the battery voltage, with low
beam on, is included between 13 and 15 V.
The current time (11) appears in the lower
part of the display.
TIME (setting hour/minutes)
By pressing the push button for the
third time, the hour and minutes (12) are
displayed.
To change the time data, proceed as fol-
lows:
Press the push button and the
number indicating the hours will start
blinking.
To increase the value, press the push
button.
To set the minutes, press the push
button and the number indicating the
minutes will start blinking.
To increase the value, press the push
button.
Now, to store the setting of the hour and
minutes.
Press the central push button.
LAP TIME (chronometer)
By pressing the push button for the
fourth time, the “LAP TIME” (13) function
is displayed, which makes it possible to
time each lap with the vehicle on the track
and to store the data in order to be able to
consult them successively.
19
use and maintenance RS 125
How to use the LAP TIME” function
(only for races in places that are closed
to traffic).
To initialize the computer for the timing
function, press the
push button. The
letter“/” (Lap) will blink on the display.
To start the stop-watch, press the “LAP”
(1)push button, positioned on the left half
of the handlebars.
To display the time taken for one lap,
press the “LAP” (1) push button again.
After pressing the “LAP” (1) push button,
the time obtained in the previous lap is
displayed for about 15 seconds, after
which the current time is displayed
again.
To end the timing, press the push but-
ton.
It is possible to carry out up to
10 timings.
At the last timing, the writing “/
will appear on the display.
How to recall the time per lap (LAP
MEMORY).
To recall the time per lap, press the .
The writing “ will appear on the dis-
play.
To run through the stored times per lap,
press the “LAP” (1) push button.
The writing
 corresponds to
lap no. 1,
 corresponds to lap
no. 2 and so on.
How to delete the stored data.
To delete the stored data, press the
push button.
The writing / ,/  or/

”, etc. will appear on the display.
Now, press the push button and,
keeping it pressed, press also the "LAP"
(1) push button on the left half of the han-
dlebars.
In this way the stored data will be defini-
tively deleted.
c
20
use and maintenance RS 125
-!).).$%0%.$%.4#/.42/,3
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The electrical parts work only when the ignition
switch is in position "
n".
1) HORN PUSH BUTTON (
f )
The horn is activated when the push button is pressed.
2) DIRECTION INDICATOR SWITCH (
c )
To indicate the turn to the left, move the switch to the left; to
indicate the turn to the right, move the switch to the right.
To turn off the direction indicator, press the switch.
3) DIMMER SWITCH ( b - a )
When the light switch is in position o”, see p. 21 (CON-
TROLS ON THE RIGHT PART OF THE HANDLEBAR): if the
dimmer switch is in position "
a”, the high beam comes on,
while if it is in position "b", the low beam comes on.
3) DIMMER SWITCH (
b - a )
_
When it is in position bthe parking lights, the dashboard
light and the low beam are always on.
When it is in position
a”, the high beam comes on.
4) LAP PUSH BUTTON (chronometer)
This button makes it possible to use the multifunction comput-
er chronometer.
For the setting of the functions, see p. 17 (MULTI-
FUNCTION COMPUTER).
5) COLD START LEVER (e)
The starter for the cold start of the engine is operated by rotat-
ing the lever "
e" downwards.
To disconnect the starter, move the lever "
e" to its initial po-
sition.
6) HIGH BEAM SIGNALLING PUSH BUTTON (
a)
It makes it possible to use the high beam for signalling to
forthcoming vehicles while overtaking and in case of peril
and/or emergency.
c
c
/